Extraction system for removable marine footing

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8011857
APP PUB NO 20090269144A1
SERIAL NO

12472357

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The present invention describes an extraction system (100,100a) for expediting removal of a footing (105) that is embedded in a seabed or marine floor. The extraction system provides a supply of pressurized fluid (140) to a chamber from where the pressurized fluid exudes through porous members (122,122a, etc) located on the base (114) of the footing (105). When an uplifting force is applied to the footing (105) for its removal, the pressurized fluid (140) exudes out through the porous member (122,122a, etc.) to compensate or reduce suction induced beneath the footing, without fluidizing or channeling of the seabed soil, thereby expediting removal of the footing (105).

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Patent Owner(s)

Patent OwnerAddress
SINGAPORE NATIONAL UNIVERSITY OF21 LOWER KENT RIDGE ROAD SINGAPORE 119077
OFFSHORE TECHNOLOGY DEVELOPMENT PTE LTDSINGAPORE 629351

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chow, Yean Khow Singapore, SG 2 4
Foo, Kok Seng Singapore, SG 49 361
Leung, Chun Fai Singapore, SG 22 564
Purwana, Okky Ahmad Singapore, SG 6 42
Quah, Chin Kau Singapore, SG 14 86

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